Fitbit Alta vs. Garmin Vivosmart vs. Michael Kors Grayson vs. Michael Kors Access Runway vs. Michael Kors Grayson vs. Amazfit T-Rex

 
Alta
Vivosmart
Grayson
Access Runway
Grayson
T-Rex
 FitbitAltaRemove Buy NowGarminVivosmartRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsAccess RunwayRemove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$130$170$350$350$350$140
Release201620142018201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 days24 hours1 day24 hours20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a128 x 16453 x 454390 x 390453x454360 x 360
Sizen/a1.41 inches1.39 inches1.19 inches1.39 inches1.3 inches
Touchn/a
TypeOLEDOLEDAMOLEDAMOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM1 ATM3 ATM1 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aAndroid WearWear OSAndroid WearBuild-in
Apps
Music

All Wearables